package com.xj.common.base.common.util;

import java.beans.BeanInfo;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.lang.reflect.Method;
import java.util.List;
import java.util.Map;

import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;

/**
 * 对象操作工具类, 继承org.apache.commons.lang3.ObjectUtils类
 * @author xieqc
 * @version 2014-6-29
 */
@Slf4j
public class ObjectUtils extends org.apache.commons.lang3.ObjectUtils {

	/**
	 * 注解到对象复制，只复制能匹配上的方法。
	 * @param annotation
	 * @param object
	 */
	public static void annotationToObject(Object annotation, Object object){
		if (annotation != null){
			Class<?> annotationClass = annotation.getClass();
			Class<?> objectClass = object.getClass();
			for (Method m : objectClass.getMethods()){
				if (StringUtils.startsWith(m.getName(), "set")){
					try {
						String s = StringUtils.uncapitalize(StringUtils.substring(m.getName(), 3));
						Object obj = annotationClass.getMethod(s).invoke(annotation);
						if (obj != null && !"".equals(obj.toString())){
							if (object == null){
								object = objectClass.newInstance();
							}
							m.invoke(object, obj);
						}
					} catch (Exception e) {
						// 忽略所有设置失败方法
					}
				}
			}
		}
	}
	
	/**
	 * 序列化对象
	 * @param object
	 * @return
	 */
	public static byte[] serialize(Object object) {
		ObjectOutputStream oos = null;
		ByteArrayOutputStream baos = null;
		try {
			if (object != null){
				baos = new ByteArrayOutputStream();
				oos = new ObjectOutputStream(baos);
				oos.writeObject(object);
				return baos.toByteArray();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}

	/**
	 * 反序列化对象
	 * @param bytes
	 * @return
	 */
	public static Object unserialize(byte[] bytes) {
		ByteArrayInputStream bais = null;
		try {
			if (bytes != null && bytes.length > 0){
				bais = new ByteArrayInputStream(bytes);
				ObjectInputStream ois = new ObjectInputStream(bais);
				return ois.readObject();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}
	
    /**
     * 将map转为javabean
     * @param type
     * @param map
     * @return
     * @throws Exception
     */
	public static Object transforMapToObject(Class type, Map map) throws Exception {
    	BeanInfo beanInfo = Introspector.getBeanInfo(type); //获取类属性
    	Object obj = type.newInstance(); //创建 JavaBean 对象
    	//给 JavaBean对象的属性赋值
    	PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
    	for (int i = 0; i < propertyDescriptors.length; i++) {
    	PropertyDescriptor descriptor = propertyDescriptors[i];
    	String propertyName = descriptor.getName();
    	if (map.containsKey(propertyName)) {
    	try {
    	Object value = map.get(propertyName);
    	Object[] args = new Object[1];
    	args[0] = value;
    	descriptor.getWriteMethod().invoke(obj, args);
			log.info("+++++++++++succes->"+propertyName);
    	} catch (Exception e) {
    		log.info("-----------error->"+propertyName);
    	e.printStackTrace();
    	}
    	}
    	}
    	return obj;
    	}
	
	public static  List transforMapToListObject(Class type, Map map ,String key){
		JSONObject jsonObject=new JSONObject(map);
    	JSONArray jsonArray=jsonObject.getJSONArray(key);
    	String js=JSONObject.toJSONString(jsonArray);
    	List list=JSONObject.parseArray(js,type);
    	return list;
	}	
}